From the day she was born, the MCU has always been young, and our electronic engineers have "suddenly loved" her from generation to generation. So that MCU is widely used in instrumentation, industrial automation, household appliances, medical equipment, office automation equipment, security monitoring and other fields, covering all aspects of human life. The application of single-chip microcomputers shifts the focus of circuit design from hardware design (conventional circuit design) to software design (micro-control technology). The disadvantage of the traditional circuit design is that when designing a relatively complicated control circuit, the hardware circuit is very complicated, the development cycle is long, and the human, material and financial resources are consumed. Some intelligent control circuits cannot be realized by the traditional circuit design, especially the intuitive Human-computer interface. Now it can be easily implemented by software programming with a single-chip microcomputer. The circuit is simple, powerful, and reliable. This is the root cause of the widespread use of microcontrollers. In our lives, electrical appliances are frequently updated, smaller and smaller, more intelligent, more powerful, and more reliable. This is the result of embedded microcontroller applications.
First, the application of intelligent instrumentation
Single-chip microcomputers are widely used in instrumentation to realize the conversion and processing of analog and digital quantities. Through the sensor, measurement of physical quantities such as voltage, power, frequency, humidity, temperature, flow, speed, thickness, angle, length, distance, hardness, element, pressure, gravity, volume, brightness, waveform, magnetic induction, and the like can be realized. The use of single-chip control makes the instrumentation digital, intelligent, miniaturized and intuitive, and can realize remote measurement and data acquisition through serial communication of single chip microcomputer.
Second, the application of industrial automation
In industrial control, such as industrial process automatic control, process automatic monitoring, process data acquisition, industrial controller, industrial field network communication and mechatronics automatic control system, etc., are inseparable from the microcontroller. In the relatively large-scale industrial control system, the single-chip microcomputer can realize intelligent control, intelligent data acquisition, remote automatic control, automatic on-site management, and truly realize industrial automation. For example, the control system of an industrial robot is a multi-machine network system composed of nodes such as a central controller, a sensory system, a walking system, and a pumping system, and each of the small systems is controlled by a single-chip microcomputer.
Third, in the application of household appliances
Nowadays and in the future, all kinds of household appliances at home and abroad are controlled by single-chip microcomputers, because home appliances will develop in the direction of multi-functionality, intelligence and automation. Appliances without intelligent control of the microcontroller will face elimination. Household appliances such as washing machines, refrigerators, air conditioners, microwave ovens, rice cookers, induction cookers, etc., which do not use microcontrollers to control?
Fourth, the application in the field of computer communication and security monitoring system
The MCU generally has a communication interface, which can conveniently communicate with the computer for data, and provides technical conditions for communication between the computer and the device. Such as telephones and their monitoring equipment, building automatic communication call system, pyrotechnic alarm system and camera monitoring system, wireless wired intercom system and so on.
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